/*
 * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.beans.beancontext;

import java.beans.beancontext.BeanContextMembershipEvent;

import java.util.EventListener;

/**
 * <p>
 * Compliant BeanContexts fire events on this interface when the state of
 * the membership of the BeanContext changes.
 * </p>
 *
 * @author Laurence P. G. Cable
 * @see java.beans.beancontext.BeanContext
 * @since 1.2
 */

public interface BeanContextMembershipListener extends EventListener {

  /**
   * Called when a child or list of children is added to a
   * <code>BeanContext</code> that this listener is registered with.
   *
   * @param bcme The <code>BeanContextMembershipEvent</code> describing the change that occurred.
   */
  void childrenAdded(BeanContextMembershipEvent bcme);

  /**
   * Called when a child or list of children is removed
   * from a <code>BeanContext</code> that this listener
   * is registered with.
   *
   * @param bcme The <code>BeanContextMembershipEvent</code> describing the change that occurred.
   */
  void childrenRemoved(BeanContextMembershipEvent bcme);
}
